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# Help - STEP I Question

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1. The first part is fairly straightforward but I'm a bit stuck with the second part.
I know that you have to consider the discriminant, but i cant seem to get anywhere and end up with a horrible Quartic Equation.
2. You shouldn't get a quartic. Post your workings do I can see what you have done?
3. How have you ended up with a quartic?

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4. We're not going to magically see what you've done, you need to post your working.
5. Your method sounds right, try doing the algebra again.

For reference:

Spoiler:
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6. (Original post by Forecast)
Your method sounds right, try doing the algebra again.

For reference:

Spoiler:
Show

They haven't listed a method, they've literally just suggested an approach, also listing the full solution is a bit counter productive

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7. (Original post by Forecast)
Your method sounds right, try doing the algebra again.

For reference:

Spoiler:
Show

Unless im high Implications r wrong way as they said if c^2 then so word your argument carefully. You probably wouldn't get docked in this case I think.

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8. (Original post by drandy76)
They haven't listed a method, they've literally just suggested an approach, also listing the full solution is a bit counter productive

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Op said considering discriminant

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9. (Original post by physicsmaths)
Op said considering discriminant

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I guess in this case that's pretty much all you need to know tbf

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